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James Webb Captures First Direct Image of Saturn-Mass Candidate TWA 7b

A Saturn-mass candidate planet shaping its star’s debris disk shows temperatures near 120°F that hint at potential habitability

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Overview

  • JWST’s MIRI coronagraph and high-contrast imaging techniques suppressed the star’s glare to directly image the candidate exoplanet TWA 7b
  • TWA 7b has an estimated mass similar to Saturn, making it ten times lighter than any exoplanet previously imaged
  • The planet orbits a 6.4-million-year-old red dwarf 34 light-years away and aligns with structures in the system’s dusty debris disk
  • Initial analysis places TWA 7b’s surface temperature near 120°F, a range that could support life if atmospheric conditions allow
  • Ongoing studies aim to confirm the object’s planetary status and analyze its atmospheric composition and disk interactions